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  <pre class="prettyprint lang-js"><span id='Ext-state-Manager'>/**
</span> * @class Ext.state.Manager
 * This is the global state manager. By default all components that are &quot;state aware&quot; check this class
 * for state information if you don't pass them a custom state provider. In order for this class
 * to be useful, it must be initialized with a provider when your application initializes. Example usage:
 &lt;pre&gt;&lt;code&gt;
// in your initialization function
init : function(){
   Ext.state.Manager.setProvider(new Ext.state.CookieProvider());
   var win = new Window(...);
   win.restoreState();
}
 &lt;/code&gt;&lt;/pre&gt;
 * @singleton
 */
Ext.state.Manager = function(){
    var provider = new Ext.state.Provider();

    return {
<span id='Ext-state-Manager-method-setProvider'>        /**
</span>         * Configures the default state provider for your application
         * @param {Provider} stateProvider The state provider to set
         */
        setProvider : function(stateProvider){
            provider = stateProvider;
        },

<span id='Ext-state-Manager-method-get'>        /**
</span>         * Returns the current value for a key
         * @param {String} name The key name
         * @param {Mixed} defaultValue The default value to return if the key lookup does not match
         * @return {Mixed} The state data
         */
        get : function(key, defaultValue){
            return provider.get(key, defaultValue);
        },

<span id='Ext-state-Manager-method-set'>        /**
</span>         * Sets the value for a key
         * @param {String} name The key name
         * @param {Mixed} value The state data
         */
         set : function(key, value){
            provider.set(key, value);
        },

<span id='Ext-state-Manager-method-clear'>        /**
</span>         * Clears a value from the state
         * @param {String} name The key name
         */
        clear : function(key){
            provider.clear(key);
        },

<span id='Ext-state-Manager-method-getProvider'>        /**
</span>         * Gets the currently configured state provider
         * @return {Provider} The state provider
         */
        getProvider : function(){
            return provider;
        }
    };
}();</pre>
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